THE HYDROMETEOROLOGICAL PREDICTION CENTER
CAMP SPRINGS, MD
STORM SUMMARY MESSAGE
STORM SUMMARY NUMBER 6 FOR WESTERN U.S. HEAVY PRECIPITATION EVENT
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD
700 PM PST TUE JAN 19 2010
...PARADE OF PACIFIC SYSTEMS TO MOVE THROUGH THE SOUTHWESTERN
UNITED STATES OVER THE NEXT SEVERAL DAYS...
WINTER STORM WARNINGS ARE IN EFFECT FOR THE HIGHER ELEVATIONS OF
BOTH NORTHERN CALIFORNIA AND A SMALL PART OF SOUTHERN CALIFORNIA
AND THE SIERRA MOUNTAIN RANGE...AND ALSO FOR SOME OF THE
MOUNTAINOUS AREAS OF THE FOUR CORNERS REGION.
FLASH FLOOD WATCHES AND COASTAL FLOOD ADVISORIES ARE IN EFFECT FOR
COASTAL AREAS OF SOUTHERN CALIFORNIA.
HIGH WIND WARNINGS ARE IN EFFECT FOR THE OREGON COASTAL AREAS AND
ALSO THE CENTRAL CALIFORNIA COASTAL AREAS.
FOR A DETAILED GRAPHICAL DEPICTION OF THE LATEST
WATCHES...WARNINGS AND ADVISORIES...PLEASE SEE WWW.WEATHER.GOV
AT 700 PM PST...A LOW PRESSURE CENTER WITH A CENTRAL PRESSURE OF
968 MB...28.58 INCHES...WAS LOCATED WELL OFFSHORE THE PACIFIC
NORTHWEST. A SECOND SYSTEM MOVING THROUGH SOUTHERN CALIFORNIA IS
BRINGING WIDESPREAD RAINFALL AND MOUNTAIN SNOW TO THE DESERT
SOUTHWEST...ALONG WITH VERY GUSTY WINDS. NATIONAL WEATHER SERVICE
DOPPLER RADARS AND SURFACE OBSERVATIONS INDICATED MODERATE TO
HEAVY RAIN FALLING ACROSS MUCH OF CALIFORNIA AND ARIZONA WITH
HEAVY SNOW REPORTED AT HIGHER ELEVATIONS...AND BLIZZARD CONDITIONS
ALONG THE SIERRA RIDGES. A FEW SEVERE THUNDERSTORMS DEVELOPED OVER
SOUTHERN CALIFORNIA EARLIER ON TUESDAY.
...SELECTED STORM TOTAL SNOWFALL IN INCHES FROM 700 AM PST SUN JAN
17 THROUGH 700 PM PST MON JAN 19...
...ARIZONA...
SUNRISE MOUNTAIN 12.0
MOUNTAINAIRE 11.0
BELLEMONT 9.8
FLAGSTAFF 9.4
WILLIAMS 7.0
...CALIFORNIA...
KIRKWOOD 34.0
BOREAL 30.0
SODA SPRINGS 30.0
WHITE WOLF 20.0
KINGVALE 19.0
SUGAR BOWL 19.0
MAMMOTH LAKES 12.0
ASPENDELL 11.0
CISCO 5 ENE 7.0
ALPINE MEADOWS 3 ENE 6.0
...NEVADA...
JARBIDGE 9 E 13.0
GILLMAN SPRINGS 6 WNW 11.0
INCLINE VILLAGE 1 NE 10.0
LAMOILLE 9 SE 10.0
MT. CHARLESTON 10.0
DAGGET PASS 9.0
GARDNERVILLE 5 WSW 4.3
CARSON CITY 3.0
...SELECTED STORM TOTAL RAINFALL IN INCHES FROM 700 AM PST SUN JAN
17 THROUGH 700 PM PST MON JAN 19...
...ARIZONA...
GILBERT 3.8 NW 0.82
...CALIFORNIA...
OPIDS CAMP 4.99
OLD MAN MOUNTAIN 4.96
WHITE LEDGE PEAK 4.69
MATILIJA DAM 4.64
ROSE VALLEY 4.29
NORDHOFF RIDGE 4.01
W FK HELIPORT 4.01
CHILAO 3.74
NORTH FORK MATILIJA 3.70
MOUNT SHASTA 3.10 FROM SL2
OXNARD AIRPORT 2.17
BURBANK-GLENDALE-PASADENA ARPT 1.94
SAN FRANCISCO DOWNTOWN 1.61
...SELECTED PEAK WIND GUSTS IN MILES PER HOUR EARLIER IN THE
EVENT...
...CALIFORNIA...
WARD MOUNTAIN 101 ALONG SIERRA CREST
CAMPBELL 5 S 75
SAN FERNANDO 4 NNE 75
BURLINGAME 4 WSW 73
MOUNT WILSON 8 NNE 64
SAN FRANCISCO 1 N 64 ON GOLDEN GATE BRID
OROVILLE 63
REDDING 61
SAN BRUNO 60
...OREGON...
CAPE BLANCO 87
FLYNN PRAIRIE 78
PORT ORFORD 76
SQUAW PEAK 75
MOUNT HEBO 68
LINCOLN CITY 62
FLORENCE 60
...UTAH...
CARDIFF PEAK 76
OGDEN PEAK 69
...WASHINGTON...
HURRICANE RIDGE 79
HOQUIAM 62
QUILLAYUTE 61
A SERIES OF PACIFIC STORMS WILL CONTINUE TO APPROACH THE
CALIFORNIA COASTLINE THIS WEEK. THE MAIN SURFACE LOWS WILL TURN
NORTHWARD ALONG THE PACIFIC NORTHWEST COAST WHILE PUSHING THEIR
FRONTS THROUGH CALIFORNIA AND INTO THE GREAT BASIN. BY THE END OF
THE WEEK...WIDESPREAD STORM RAINFALL TOTALS OF 4 TO 8 INCHES ARE
EXPECTED ACROSS CALIFORNIA AND INTO ARIZONA...WITH LOCAL AMOUNTS
OF UP TO 12 INCHES POSSIBLE ALONG THE SOUTHERN CALIFORNIA COASTAL
RANGES AND MOGOLLON RIM OF ARIZONA. SNOWFALL TOTALS WILL EASILY BE
SEVERAL FEET ALONG THE SIERRA NEVADA MOUNTAINS...AND 6 TO 12
INCHES FARTHER EAST OVER THE HIGHER ELEVATIONS OF SOUTHERN NEVADA
AND UTAH. STRONG AND GUSTY WINDS WILL IMPACT CALIFORNIA AS THE
STORM SYSTEMS MOVE ASHORE.
THE NEXT STORM SUMMARY WILL BE ISSUED BY THE HYDROMETEOROLOGICAL
PREDICTION CENTER AT 100 AM PST. PLEASE REFER TO YOUR LOCAL
NATIONAL WEATHER SERVICE OFFICE FOR ADDITIONAL INFORMATION ON THIS
EVENT.
HAMRICK
Last Updated: 946 PM EST TUE JAN 19 2010